Common symptoms of brain metastasis of lung squamous cancer include dizziness, headache, vomiting, nausea, or worse, tumor rupture, formation of epilepsy, hemiplegia, cerebral hernia, and coma may occur in serious cases. Lung squamous carcinoma in advanced stage can easily metastasize to brain, which is one of the most important organs in human body. If patients with lung squamous cancer have symptoms such as dizziness, headache, vomiting, nausea, etc., they must be fully alert, report the symptoms to the attending physician in time, and diagnose as soon as possible whether the patient’s tumor has metastasized to the brain through craniocerebral CT, MRI and other examinations. Patients with brain metastasis of squamous lung cancer should keep a good mindset, actively cooperate with physicians for treatment and maintain good work and rest.